| 1. | principles of european unjustified enrichment law de |
| USE | GRUNDSÄTZE DES EUROPÄISCHEN BEREICHERUNGSRECHTS |
| 2. | principles of european unjustified enrichment law fr |
| USE | PRINCIPES DE DROIT EUROPÉEN DE L'ENRICHISSEMENT ILLÉGITIME |
| 3. | principles of european unjustified enrichment law it |
| USE | PRINCIPI DI DIRITTO EUROPEO DELL'INDEBITO ARRICHIMENTO |